diff --git a/commcare_connect/opportunity/tests/factories.py b/commcare_connect/opportunity/tests/factories.py
index 0bc3520d..3ee5772e 100644
--- a/commcare_connect/opportunity/tests/factories.py
+++ b/commcare_connect/opportunity/tests/factories.py
@@ -90,3 +90,11 @@ class UserVisitFactory(DjangoModelFactory):
 
     class Meta:
         model = "opportunity.UserVisit"
+
+
+class OpportunityAccessFactory(DjangoModelFactory):
+    opportunity = SubFactory(OpportunityFactory)
+    user = SubFactory("commcare_connect.users.tests.factories.UserFactory")
+
+    class Meta:
+        model = "opportunity.OpportunityAccess"
diff --git a/commcare_connect/opportunity/tests/test_api_views.py b/commcare_connect/opportunity/tests/test_api_views.py
new file mode 100644
index 00000000..d9cb6cec
--- /dev/null
+++ b/commcare_connect/opportunity/tests/test_api_views.py
@@ -0,0 +1,63 @@
+import datetime
+
+from rest_framework.test import APIClient
+
+from commcare_connect.opportunity.models import OpportunityClaim
+from commcare_connect.opportunity.tests.factories import OpportunityAccessFactory, OpportunityFactory
+from commcare_connect.users.models import User
+from commcare_connect.users.tests.factories import ConnectIdUserLinkFactory
+
+
+def _setup_opportunity_and_access(mobile_user: User, total_budget, end_date):
+    opportunity = OpportunityFactory(total_budget=total_budget, max_visits_per_user=100, end_date=end_date)
+    opportunity_access = OpportunityAccessFactory(opportunity=opportunity, user=mobile_user)
+    ConnectIdUserLinkFactory(
+        user=mobile_user, commcare_username="test@ccc-test.commcarehq.org", domain=opportunity.deliver_app.cc_domain
+    )
+    return opportunity, opportunity_access
+
+
+def test_claim_endpoint_success(mobile_user: User, api_client: APIClient):
+    opportunity, opportunity_access = _setup_opportunity_and_access(
+        mobile_user, total_budget=1000, end_date=datetime.date.today() + datetime.timedelta(days=100)
+    )
+    api_client.force_authenticate(mobile_user)
+    response = api_client.post(f"/api/opportunity/{opportunity.id}/claim")
+    assert response.status_code == 201
+    claim = OpportunityClaim.objects.filter(opportunity_access=opportunity_access)
+    assert claim.exists()
+
+
+def test_claim_endpoint_budget_exhausted(mobile_user: User, api_client: APIClient):
+    opportunity, opportunity_access = _setup_opportunity_and_access(
+        mobile_user, total_budget=0, end_date=datetime.date.today() + datetime.timedelta(days=100)
+    )
+    api_client.force_authenticate(mobile_user)
+    response = api_client.post(f"/api/opportunity/{opportunity.id}/claim")
+    assert response.status_code == 200
+    assert response.data == "Opportunity cannot be claimed. (Budget Exhausted)"
+
+
+def test_claim_endpoint_end_date_exceeded(mobile_user: User, api_client: APIClient):
+    opportunity, opportunity_access = _setup_opportunity_and_access(
+        mobile_user, total_budget=1000, end_date=datetime.date.today() - datetime.timedelta(days=100)
+    )
+    api_client.force_authenticate(mobile_user)
+    response = api_client.post(f"/api/opportunity/{opportunity.id}/claim")
+    assert response.status_code == 200
+    assert response.data == "Opportunity cannot be claimed. (End date reached)"
+
+
+def test_claim_endpoint_already_claimed_opportunity(mobile_user: User, api_client: APIClient):
+    opportunity, opportunity_access = _setup_opportunity_and_access(
+        mobile_user, total_budget=1000, end_date=datetime.date.today() + datetime.timedelta(days=100)
+    )
+    api_client.force_authenticate(mobile_user)
+    response = api_client.post(f"/api/opportunity/{opportunity.id}/claim")
+    assert response.status_code == 201
+    claim = OpportunityClaim.objects.filter(opportunity_access=opportunity_access)
+    assert claim.exists()
+
+    response = api_client.post(f"/api/opportunity/{opportunity.id}/claim")
+    assert response.status_code == 200
+    assert response.data == "Opportunity is already claimed"